package era.mi.logic.components;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
import era.mi.logic.Bit;
import era.mi.logic.wires.WireArray;
-import era.mi.logic.wires.WireArray.WireArrayInput;
+import era.mi.logic.wires.WireArray.WireArrayEnd;
-public class TriStateBuffer extends BasicComponent{
+public class TriStateBuffer extends BasicComponent
+{
WireArray in, enable;
- WireArrayInput outI;
-
- public TriStateBuffer(int processTime, WireArray in, WireArray out, WireArray enable) {
+ WireArrayEnd outI;
+
+ public TriStateBuffer(int processTime, WireArray in, WireArray out, WireArray enable)
+ {
super(processTime);
- if(in.length != out.length)
- throw new IllegalArgumentException("Tri-state output must have the same amount of bits as the input. Input: " + in.length + " Output: " + out.length);
- if(enable.length != 1)
+ if (in.length != out.length)
+ throw new IllegalArgumentException(
+ "Tri-state output must have the same amount of bits as the input. Input: " + in.length + " Output: " + out.length);
+ if (enable.length != 1)
throw new IllegalArgumentException("Tri-state enable must have exactly one bit, not " + enable.length + ".");
this.in = in;
in.addObserver(this);
enable.addObserver(this);
outI = out.createInput();
}
-
+
@Override
protected void compute()
{
- if(enable.getValue() == Bit.ONE)
+ if (enable.getValue() == Bit.ONE)
outI.feedSignals(in.getValues());
else
outI.clearSignals();
}
+ @Override
+ public List<WireArray> getAllInputs()
+ {
+ return Collections.unmodifiableList(Arrays.asList(in, enable));
+ }
+
+ @Override
+ public List<WireArray> getAllOutputs()
+ {
+ return Collections.unmodifiableList(Arrays.asList(outI.owner));
+ }
+
}